I’m sorry,boy ,you __________see this film. It is for adults only. 
#63579
A
ought to
B
can’t
C
won’t
D
don’t
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Kids _________ use the computers to draw in the future.
#76487
A
can
B
could
C
will be able to
D
will can
You _____ to the meeting tomorrow if you have something important to do.
#75855
A
needn’t to come
B
don’t need come
C
needn’t come
D
don’t need coming
 I didn’t know Headmaster Weng was away for Beijing. I       to his office yesterday.
#63308
A
mustn’t have gone
B
needn’t have gone
C
wouldn’t have gone
D
couldn’t have gone